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2Published 1981“...[U.S. Geological Survey],...”
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8Hydrology of area 49, northern Great Plains and Rocky Mountain coal provinces, Montana and Wyoming /Published 1983“...U.S. Geological Survey,...”
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11Published 1983“...U.S. Geological Survey ;...”
Government Document Book -
12Hydrology of area 48, northern Great Plains and Rocky Mountain coal provinces, Montana and Wyoming /Published 1986“...U.S. Geological Survey,...”
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13Published 1991“...U.S. Geological Survey :...”
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14by Williamson, Courteney“...U.S. Geological Survey :...”
Published 1991
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15by Maughan, Edwin K., 1926-1995“...U.S. Geological Survey :...”
Published 1990
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16by Yamashita, Kenneth M.“...U.S. Geological Survey,...”
Published 1987
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17Published 1991“...U.S. Geological Survey ;...”
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18by Van Loenen, Richard E.“...U.S. Geological Survey ;...”
Published 1991
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20by Daddow, Richard L.“...U.S. Geological Survey ;...”
Published 1992
Government Document Microform Book